Aerotec Uirapuru

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The Aerotec A-122 Uirapuru was a Brazilian military trainer aircraft. It was a low-wing monoplane with tricycle undercarriage that accommodated the pilot and instructor side-by-side. It first flew on 2 June 1965

In October 1967, the Brazilian Air Force ordered 30 aircraft to replace the obsolete Fokker S.11s and S.12s (T-21s and T-22s) that were operating in the Air Force Academy. Later, they ordered another 40, and then 30 more. These were designated T-23.

The Bolivian Air Force ordered 36 examples in 1974, which flew until 1997, and in 1975 the Paraguay Air Force ordered 30 aircraft which were still flying as of 2007. Thirty others were sold on civilian market.

The T-23 suffered fatal accidents during spin training. The problem was resolved after a crash in which an instructor described his stricken aircraft's responses to his control inputs all the way to the end. Uirapurus then received a fin under the rear fuselage to correct the issue.

In 1980 interest by the airforce in an improved version led to the development of the Uirapuru II

[edit] Variants

• A-122A - Military trainer
• A-122B - Civil version

[edit] Operators

• Brazilian Air Force
• Bolivian Air Force
• Paraguay Air Force

[edit] Specifications (T-23)

[edit] General characteristics

• Crew: two, pilot and instructor
• Length: 6.6 m (21 ft 8 in)
• Wingspan: 8.5 m (27 ft 11 in)
• Height: m ( ft in)
• Wing area: m² ( ft²)
• Empty weight: kg ( lb)
• Maximum takeoff: 840 kg (1,850 lb)
• Powerplant: 1 × Lycoming O-320-B2B, 112 kW (150 hp)

[edit] Performance

• Maximum speed: 227 km/h (141 mph)
• Range: 800 km (500 miles)
• Service ceiling: m ( ft)
• Rate of climb: m/min ( ft/min)

[edit] Related content

Related development:

Comparable aircraft:

Designation sequence:

[edit] References

• Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions, 39.